- Italian Americans.1
- Jails.1
- Jennings, Al, 1863-1
- Jewelry theft.1
- Jones, Thomas F. (Thomas Franklin), 1916-1981.1
- Journalism--United States--History.1
- Journalism.1
- Katovis, Stephen, -1930.1
- Landshut (Germany)1
- Law and ethics--United States.1
- Law enforcement--United States.1
- Legislation--New York1
- Lie detectors and detection.1
- Lindsey, Ben B. (Ben Barr), 1869-1943.1
- Liquor industry.1
- Loesch, Frank J. (Frank Joseph), 1852-1944.1
- Machine guns.1
- Mann, James R. (James Robert), 1920-2010.1
- Marston, William Moulton, 1893-1947.1
- Milligan, Maurice M. (Maurice Morton), 1884-1